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Kilroot Battery is a First World War coastal defence installation located at Carrickfergus, County Antrim. Built during the early twentieth century, it formed part of the fortified network protecting Belfast Lough and its strategic approaches from enemy naval attack. The battery's gun positions and supporting structures were constructed on terrain underlain by the Mercia Mudstone Group, a sequence of mudstone, sandstone and limestone deposits dating to the Rhaetian period.
The installation exemplifies the rapid militarisation of Ulster's coastline following the declaration of war in 1914. Like other batteries of its type, Kilroot would have mounted heavy artillery capable of engaging vessels approaching from the Irish Sea. The mudstone foundations provided reasonable bearing capacity for the substantial concrete and masonry construction required to support gun emplacements and ammunition magazines, though the softer geological sequence necessitated careful engineering to prevent differential settlement.
The battery is protected as a scheduled monument by the Historic Environment Division under reference 16587, recognising its significance as a tangible record of wartime coastal defence. Though heavily modified and partially dismantled in the post-war decades, its surviving earthworks and structures retain archaeological value in documenting early twentieth-century military engineering and the defence priorities of the period.
Kilroot battery. ww1 coastal battery is a scheduled monument protected by Department for Communities NI under reference 16587. View the official record →
Kilroot Battery is a First World War coastal defence installation located at Carrickfergus, County Antrim. It is designated a Scheduled Ancient Monument by DfC Northern Ireland (NISMR) under reference 16587.
Kilroot battery. ww1 coastal battery is a Scheduled Ancient Monument, legally protected by DfC Northern Ireland (NISMR) — the body responsible for designating and safeguarding heritage sites in Ni. The official designation reference is 16587.
Several scheduled monuments lie within 10 km, including Kilroot battery. searchlight emplacement associated with ww1 coastal battery (0 km), Kilroot battery. searchlight emplacement (associated with ww1 coastal battery) (0.2 km), Bishop's house. c17th house & bawn (0.4 km).
This page is just one thread. A full Aubrey report pulls together 14 strands of Kilroot battery. ww1 coastal battery's history, each drawn from the record and mapped to the exact spot:
Every location is different. Not every section appears for every place, only what the historical record actually holds turns up in a report.
Kilroot battery. ww1 coastal battery stands on Mercia Mudstone Group, bedrock that formed in the Rhaetian. The rock here is mudstone, sandstone and limestone.